Tire tread



FIG. 1 is a perspective view of a tire tread showing our new design, it being understood that the pattern repeats uniformly throughout the circumference of the tread;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof; the opposite side being a mirror image thereof; and,

FIG. 4 is an enlarged fragmentary front elevational view thereof.

In the drawings, the broken lines defining the sidewall, inner bead and the peripheral boundary between the tire thread and the sidewall are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tire thread, as shown and described. 